In which state of matter do particles have the least kinetic energy?

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Question: In which state of matter do particles have the least kinetic energy?

Options:

Correct Answer: Solid

Solution:

In solids, particles are closely packed and vibrate in fixed positions, resulting in the least kinetic energy.

In which state of matter do particles have the least kinetic energy?

In which state of matter do particles have the least kinetic energy?

Step 1: Understand what kinetic energy is. Kinetic energy is the energy of motion that particles have.
Step 2: Identify the three main states of matter: solids, liquids, and gases.
Step 3: Compare the movement of particles in each state. In solids, particles are closely packed and can only vibrate in place.
Step 4: In liquids, particles are less tightly packed and can move around each other, giving them more kinetic energy than solids.
Step 5: In gases, particles are far apart and move freely, resulting in the highest kinetic energy.
Step 6: Conclude that since particles in solids vibrate in fixed positions and are closely packed, they have the least kinetic energy compared to liquids and gases.

States of Matter – Understanding the characteristics of solids, liquids, and gases, particularly how particle arrangement and movement relate to kinetic energy.
Kinetic Energy – The energy that particles possess due to their motion, which varies across different states of matter.